Never true. Vertical angles are equal to each other, not adjacent to each other.
Matrix A was expressed in the form of a 2x2
i'm not sure if this helps or not but here you go
Answer:
x=−1
Step-by-step explanation:
I hope this help helps
Answer:

Step-by-step explanation:
Step 1:
Convert the mixed numbers to the improper fractions:

Step 2:
We multiply the numbers remembering about simplifying:

It was some mistake in previous one so i edited this one.